期刊
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY
卷 8, 期 4, 页码 1019-1029出版社
SPRINGER
DOI: 10.1007/BF03246558
关键词
Ruthenium(III) salophen; Alkene epoxidation; Sodium periodate; Polystyrene; Heterogeneous catalysts
资金
- Center of Excellence in Chemistry of the University of Isfahan (CECUI)
- Shahid Bahonar University of Kerman
In this paper, highly efficient epoxidation of alkenes catalyzed by ruthenium(III) salophen chloride, [Ru(salophen)Cl], supported on functionalized chloromethylated polystyrene, PS, is reported. The PS was modified with 1,4-diaminobenzene, 4-aminophenol and 4-aminothiophenol, and [Ru(salophen)Cl] was attached to the supports via axial ligation. The prepared catalysts were used for efficient epoxidation of alkenes with NaIO4 at room temperature. These new heterogenized catalysts were characterized by elemental analysis, FT-IR spectroscopy, scanning electron microscopy and transmission electron microscopy. The heterogeneous catalysts were reusable in the oxidation reactions and were reused several times.
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